A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.
Classification: Parts, nesoi, of pumps for liquids
NSN 5930-00-468-1004
NSN 5930-01-377-7627
NSN 6645-01-195-0561
NSN 6150-01-232-7682
NSN 6320-00-098-2858
NSN 2925-01-556-0333
NSN 5950-01-342-0420
NSN 5999-01-387-0160
NSN 6105-00-927-6978
NSN 6135-01-475-7415
NSN 6620-01-217-3216
NSN 5835-01-010-0002